At least eight European countries have adopted the principle.
至少有8个欧洲国家已经适用了此原则。
In a help session what he might do typically is solve between four and eight problems that illustrate the key principle being talked that week.
在帮助课程中他一般会,解决4到8个问题,来阐明那一周教的关键原理。
He was influenced by Thomas Malthus' work, "An Essay on the Principle of Population" written in seventeen ninety-eight.
他受到托马斯·马尔萨斯作品《An Essay on the Principle of Population》(《人口原理》)的影响,这部著作,马尔萨斯写于1798年。
He was influenced by Thomas Malthus' work, "An Essay on the Principle of Population" written in seventeen ninety-eight.
VOA: special.2009.02.25
In a help session what he might do typically is solve between four and eight problems that illustrate the key principle being talked that week.
在帮助课程中他一般会,解决4到8个问题,来阐明那一周教的关键原理。
So what we're doing is filling in those eight electrons following the Aufbau principle, so our first electron is 1s going to go in the 1 s, and then we have no other options for other orbitals that are at that same energy, 1s so we put the second electron in the 1 s as well.
它会是什么样子呢,我们正在做的是将这8个电子按照奥弗,堡原理进行填充,所以我们第一个电子将会进入,然后我们没有其他的,轨道的选择在同一个能级,所以我们把第二个电子也放入。
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